Computed tomography, more commonly known as "cat scans" or "CT scans", are cross sectional, two dimensional gray scale images. They are very commonly used in the practice of clinical medicine. This module will serve as an introduction to CT, and provide you with information that will help you to understand what you are looking at when you view an image.

You can view individual sections of this module using the selections on the right.





1. How images are obtained

2. Factors affecting appearance

3. What anatomical structures are well seen

4. Indications for use

5. New technology